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gimp/plug-ins/common/compose.c
Michael Natterer cdc38639f5 Issue #3405 - Color component decompose crash for CMY 
Remove the "CMY" model from compose and decompose, it's gone from
babl. Also fix decomposing to CMYK by using the right component names.

(cherry picked from commit f3f8d3a54e)
2020-05-02 21:18:52 +02:00

1403 lines
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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* Compose plug-in (C) 1997,1999 Peter Kirchgessner
* e-mail: peter@kirchgessner.net, WWW: http://www.kirchgessner.net
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/*
* This plug-in composes RGB-images from several types of channels
*/
/* Lab colorspace support originally written by Alexey Dyachenko,
* merged into the official plug-in by Sven Neumann.
*
* Support for channels empty or filled with a single mask value
* added by Sylvain FORET.
*/
/*
* All redundant _256 versions of YCbCr* are here only for compatibility .
* They can be dropped for GIMP 3.0
*/
#include "config.h"
#include <string.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "libgimp/stdplugins-intl.h"
#define COMPOSE_PROC "plug-in-compose"
#define DRAWABLE_COMPOSE_PROC "plug-in-drawable-compose"
#define RECOMPOSE_PROC "plug-in-recompose"
#define PLUG_IN_BINARY "compose"
#define PLUG_IN_ROLE "gimp-compose"
/* Maximum number of images to compose */
#define MAX_COMPOSE_IMAGES 4
typedef struct
{
union
{
gint32 ID; /* Image ID of input images or drawable */
guchar val; /* Mask value to compose with */
} comp;
gboolean is_ID;
} ComposeInput;
/* Description of a component */
typedef struct
{
const gchar *babl_name;
const gchar *name;
const gchar *icon;
const float range_min; /* val min of the component */
const float range_max; /* val max of the component */
const gboolean is_perceptual; /* Take the componenent from an Y' or Y buffer */
} COMPONENT_DSC;
/* Description of a composition */
typedef struct
{
const gchar *babl_model;
const gchar *compose_type; /* Type of composition ("RGB", "RGBA",...) */
gint num_images; /* Number of input images needed */
/* Channel information */
const COMPONENT_DSC components[MAX_COMPOSE_IMAGES];
const gchar *filename; /* Name of new image */
} COMPOSE_DSC;
/* Declare local functions
*/
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
static void cpn_affine_transform (GeglBuffer *buffer,
gdouble min,
gdouble max);
static void fill_buffer_from_components (GeglBuffer *temp[MAX_COMPOSE_IMAGES],
GeglBuffer *dst,
gint num_cpn,
ComposeInput *inputs,
gdouble mask_vals[MAX_COMPOSE_IMAGES]);
static void perform_composition (COMPOSE_DSC curr_compose_dsc,
GeglBuffer *buffer_src[MAX_COMPOSE_IMAGES],
GeglBuffer *buffer_dst,
ComposeInput *inputs,
gint num_images);
static gint32 compose (const gchar *compose_type,
ComposeInput *inputs,
gboolean compose_by_drawable);
static gint32 create_new_image (const gchar *filename,
guint width,
guint height,
GimpImageType gdtype,
GimpPrecision precision,
gint32 *layer_ID,
GeglBuffer **drawable);
static gboolean compose_dialog (const gchar *compose_type,
gint32 drawable_ID);
static gboolean check_gray (gint32 image_id,
gint32 drawable_id,
gpointer data);
static void combo_callback (GimpIntComboBox *cbox,
gpointer data);
static void scale_callback (GtkAdjustment *adj,
ComposeInput *input);
static void check_response (GtkWidget *dialog,
gint response,
gpointer data);
static void type_combo_callback (GimpIntComboBox *combo,
gpointer data);
/* Decompositions availables.
* All the following values have to be kept in sync with those of decompose.c
*/
#define CPN_RGBA_R { "R", N_("_Red:"), GIMP_ICON_CHANNEL_RED, 0.0, 1.0, FALSE}
#define CPN_RGBA_G { "G", N_("_Green:"), GIMP_ICON_CHANNEL_GREEN, 0.0, 1.0, FALSE}
#define CPN_RGBA_B { "B", N_("_Blue:"), GIMP_ICON_CHANNEL_BLUE, 0.0, 1.0, FALSE}
#define CPN_RGBA_A { "A", N_("_Alpha:"), GIMP_ICON_CHANNEL_ALPHA, 0.0, 1.0, TRUE}
#define CPN_HSV_H { "hue", N_("_Hue:"), NULL, 0.0, 1.0, TRUE}
#define CPN_HSV_S { "saturation", N_("_Saturation:"), NULL, 0.0, 1.0, TRUE}
#define CPN_HSV_V { "value", N_("_Value:"), NULL, 0.0, 1.0, TRUE}
#define CPN_HSL_H { "hue", N_("_Hue:"), NULL, 0.0, 1.0, TRUE}
#define CPN_HSL_S { "saturation", N_("_Saturation:"), NULL, 0.0, 1.0, TRUE}
#define CPN_HSL_L { "lightness", N_("_Lightness:"), NULL, 0.0, 1.0, TRUE}
#define CPN_CMYK_C { "Cyan", N_("_Cyan:"), NULL, 0.0, 1.0, TRUE}
#define CPN_CMYK_M { "Magenta", N_("_Magenta:"), NULL, 0.0, 1.0, TRUE}
#define CPN_CMYK_Y { "Yellow", N_("_Yellow:"), NULL, 0.0, 1.0, TRUE}
#define CPN_CMYK_K { "Key", N_("_Black:"), NULL, 0.0, 1.0, TRUE}
#define CPN_LAB_L { "CIE L", N_("_L:"), NULL, 0.0, 100.0, TRUE}
#define CPN_LAB_A { "CIE a", N_("_A:"), NULL, -127.5, 127.5, TRUE}
#define CPN_LAB_B { "CIE b", N_("_B:"), NULL, -127.5, 127.5, TRUE}
#define CPN_LCH_L { "CIE L", N_("_L"), NULL, 0.0, 100.0, TRUE}
#define CPN_LCH_C { "CIE C(ab)", N_("_C"), NULL, 0.0, 200.0, TRUE}
#define CPN_LCH_H { "CIE H(ab)", N_("_H"), NULL, 0.0, 360.0, TRUE}
#define CPN_YCBCR_Y { "Y'", N_("_Luma y470:"), NULL, 0.0, 1.0, TRUE }
#define CPN_YCBCR_CB { "Cb", N_("_Blueness cb470:"), NULL, -0.5, 0.5, TRUE }
#define CPN_YCBCR_CR { "Cr", N_("_Redness cr470:"), NULL, -0.5, 0.5, TRUE }
#define CPN_YCBCR709_Y { "Y'", N_("_Luma y709:"), NULL, 0.0, 1.0, TRUE }
#define CPN_YCBCR709_CB { "Cb", N_("_Blueness cb709:"), NULL, -0.5, 0.5, TRUE }
#define CPN_YCBCR709_CR { "Cr", N_("_Redness cr709:"), NULL, -0.5, 0.5, TRUE }
static COMPOSE_DSC compose_dsc[] =
{
{ "RGB",
N_("RGB"), 3,
{ CPN_RGBA_R,
CPN_RGBA_G,
CPN_RGBA_B },
"rgb-compose" },
{ "RGBA",
N_("RGBA"), 4,
{ CPN_RGBA_R,
CPN_RGBA_G,
CPN_RGBA_B,
CPN_RGBA_A },
"rgba-compose" },
{ "HSV",
N_("HSV"), 3,
{ CPN_HSV_H,
CPN_HSV_S,
CPN_HSV_V },
"hsv-compose" },
{ "HSL",
N_("HSL"), 3,
{ CPN_HSL_H,
CPN_HSL_S,
CPN_HSL_L },
"hsl-compose" },
{ "CMYK",
N_("CMYK"), 4,
{ CPN_CMYK_C,
CPN_CMYK_M,
CPN_CMYK_Y,
CPN_CMYK_K },
"cmyk-compose" },
{ "CIE Lab",
N_("LAB"), 3,
{ CPN_LAB_L,
CPN_LAB_A,
CPN_LAB_B },
"lab-compose" },
{ "CIE LCH(ab)",
N_("LCH"), 3,
{ CPN_LCH_L,
CPN_LCH_C,
CPN_LCH_H },
"lch-compose" },
{ "Y'CbCr",
N_("YCbCr_ITU_R470"), 3,
{ CPN_YCBCR_Y,
CPN_YCBCR_CB,
CPN_YCBCR_CR },
"ycbcr470-compose" },
{ "Y'CbCr709",
N_("YCbCr_ITU_R709"), 3,
{ CPN_YCBCR709_Y,
CPN_YCBCR709_CB,
CPN_YCBCR709_CR },
"ycbcr709-compose" },
{ "Y'CbCr",
N_("YCbCr_ITU_R470_256"), 3,
{ CPN_YCBCR_Y,
CPN_YCBCR_CB,
CPN_YCBCR_CR },
"ycbcr470F-compose" },
{ "Y'CbCr709",
N_("YCbCr_ITU_R709_256"), 3,
{ CPN_YCBCR709_Y,
CPN_YCBCR709_CB,
CPN_YCBCR709_CR },
"ycbcr709F-compose" }
};
typedef struct
{
ComposeInput inputs[MAX_COMPOSE_IMAGES]; /* Image IDs or mask value of input */
gchar compose_type[32]; /* type of composition */
gboolean do_recompose;
gint32 source_layer_ID; /* for recomposing */
} ComposeVals;
/* Dialog structure */
typedef struct
{
gint width, height; /* Size of selected image */
GtkWidget *channel_label[MAX_COMPOSE_IMAGES]; /* The labels to change */
GtkWidget *channel_icon[MAX_COMPOSE_IMAGES]; /* The icons */
GtkWidget *channel_menu[MAX_COMPOSE_IMAGES]; /* The menus */
GtkWidget *color_scales[MAX_COMPOSE_IMAGES]; /* The values color scales */
GtkWidget *color_spins[MAX_COMPOSE_IMAGES]; /* The values spin buttons */
ComposeInput selected[MAX_COMPOSE_IMAGES]; /* Image Ids or mask values from menus */
gint compose_idx; /* Compose type */
} ComposeInterface;
const GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
static ComposeVals composevals =
{
{{{ 0 }}}, /* Image IDs of images to compose or mask values */
"rgb", /* Type of composition */
FALSE, /* Do recompose */
-1 /* source layer ID */
};
static ComposeInterface composeint =
{
0, 0, /* width, height */
{ NULL }, /* Label Widgets */
{ NULL }, /* Icon Widgets */
{ NULL }, /* Menu Widgets */
{ NULL }, /* Color Scale Widgets */
{ NULL }, /* Color Spin Widgets */
{{{ 0 }}}, /* Image Ids or mask values from menus */
0 /* Compose type */
};
MAIN ()
static void
query (void)
{
static GimpParamDef args[] =
{
{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
{ GIMP_PDB_IMAGE, "image1", "First input image" },
{ GIMP_PDB_DRAWABLE, "drawable", "Input drawable (not used)" },
{ GIMP_PDB_IMAGE, "image2", "Second input image" },
{ GIMP_PDB_IMAGE, "image3", "Third input image" },
{ GIMP_PDB_IMAGE, "image4", "Fourth input image" },
{ GIMP_PDB_STRING, "compose-type", NULL }
};
static const GimpParamDef return_vals[] =
{
{ GIMP_PDB_IMAGE, "new_image", "Output image" }
};
static GimpParamDef drw_args[] =
{
{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
{ GIMP_PDB_IMAGE, "image1", "First input image (not used)" },
{ GIMP_PDB_DRAWABLE, "drawable1", "First input drawable" },
{ GIMP_PDB_DRAWABLE, "drawable2", "Second input drawable" },
{ GIMP_PDB_DRAWABLE, "drawable3", "Third input drawable" },
{ GIMP_PDB_DRAWABLE, "drawable4", "Fourth input drawable" },
{ GIMP_PDB_STRING, "compose-type", NULL }
};
static const GimpParamDef drw_return_vals[] =
{
{ GIMP_PDB_IMAGE, "new_image", "Output image" }
};
static const GimpParamDef recompose_args[] =
{
{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
{ GIMP_PDB_IMAGE, "image", "Image to recompose from" },
{ GIMP_PDB_DRAWABLE, "drawable", "Not used" },
};
GString *type_desc;
gint i;
type_desc = g_string_new ("What to compose: ");
g_string_append_c (type_desc, '"');
g_string_append (type_desc, compose_dsc[0].compose_type);
g_string_append_c (type_desc, '"');
for (i = 1; i < G_N_ELEMENTS (compose_dsc); i++)
{
g_string_append (type_desc, ", ");
g_string_append_c (type_desc, '"');
g_string_append (type_desc, compose_dsc[i].compose_type);
g_string_append_c (type_desc, '"');
}
args[6].description = type_desc->str;
drw_args[6].description = type_desc->str;
gimp_install_procedure (COMPOSE_PROC,
N_("Create an image using multiple gray images as color channels"),
"This function creates a new image from "
"multiple gray images",
"Peter Kirchgessner",
"Peter Kirchgessner (peter@kirchgessner.net)",
"1997",
N_("C_ompose..."),
"GRAY*",
GIMP_PLUGIN,
G_N_ELEMENTS (args),
G_N_ELEMENTS (return_vals),
args, return_vals);
gimp_plugin_menu_register (COMPOSE_PROC, "<Image>/Colors/Components");
gimp_install_procedure (DRAWABLE_COMPOSE_PROC,
"Compose an image from multiple drawables of gray images",
"This function creates a new image from "
"multiple drawables of gray images",
"Peter Kirchgessner",
"Peter Kirchgessner (peter@kirchgessner.net)",
"1998",
NULL, /* It is not available in interactive mode */
"GRAY*",
GIMP_PLUGIN,
G_N_ELEMENTS (drw_args),
G_N_ELEMENTS (drw_return_vals),
drw_args, drw_return_vals);
gimp_install_procedure (RECOMPOSE_PROC,
N_("Recompose an image that was previously decomposed"),
"This function recombines the grayscale layers produced "
"by Decompose into a single RGB or RGBA layer, and "
"replaces the originally decomposed layer with the "
"result.",
"Bill Skaggs",
"Bill Skaggs",
"2004",
N_("R_ecompose"),
"GRAY*",
GIMP_PLUGIN,
G_N_ELEMENTS (recompose_args), 0,
recompose_args, NULL);
gimp_plugin_menu_register (RECOMPOSE_PROC, "<Image>/Colors/Components");
g_string_free (type_desc, TRUE);
}
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
static GimpParam values[2];
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
GimpRunMode run_mode;
gint32 image_ID;
gint32 drawable_ID = -1;
gint compose_by_drawable;
gint i;
INIT_I18N ();
gegl_init (NULL, NULL);
run_mode = param[0].data.d_int32;
compose_by_drawable = (strcmp (name, DRAWABLE_COMPOSE_PROC) == 0);
*nreturn_vals = 1;
*return_vals = values;
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = status;
values[1].type = GIMP_PDB_IMAGE;
values[1].data.d_int32 = -1;
if (strcmp (name, RECOMPOSE_PROC) == 0)
{
GimpParasite *parasite = gimp_image_get_parasite (param[1].data.d_image,
"decompose-data");
if (! parasite)
{
g_message (_("You can only run 'Recompose' if the active image "
"was originally produced by 'Decompose'."));
status = GIMP_PDB_EXECUTION_ERROR;
}
else
{
gint nret;
nret = sscanf (gimp_parasite_data (parasite),
"source=%d type=%31s %d %d %d %d",
&composevals.source_layer_ID,
composevals.compose_type,
&composevals.inputs[0].comp.ID,
&composevals.inputs[1].comp.ID,
&composevals.inputs[2].comp.ID,
&composevals.inputs[3].comp.ID);
gimp_parasite_free (parasite);
for (i = 0; i < MAX_COMPOSE_IMAGES; i++)
composevals.inputs[i].is_ID = TRUE;
if (nret < 5)
{
g_message (_("Error scanning 'decompose-data' parasite: "
"too few layers found"));
status = GIMP_PDB_EXECUTION_ERROR;
}
else
{
composevals.do_recompose = TRUE;
compose_by_drawable = TRUE;
}
}
}
else
{
composevals.do_recompose = FALSE;
switch (run_mode)
{
case GIMP_RUN_INTERACTIVE:
/* Possibly retrieve data */
gimp_get_data (name, &composevals);
compose_by_drawable = TRUE;
/* The dialog is now drawable based. Get a drawable-ID of the image */
if (strcmp (name, COMPOSE_PROC) == 0)
{
gint32 *layer_list;
gint nlayers;
layer_list = gimp_image_get_layers (param[1].data.d_int32,
&nlayers);
if ((layer_list == NULL) || (nlayers <= 0))
{
g_message (_("Could not get layers for image %d"),
(gint) param[1].data.d_int32);
return;
}
drawable_ID = layer_list[0];
g_free (layer_list);
}
else
{
drawable_ID = param[2].data.d_int32;
}
/* First acquire information with a dialog */
if (! compose_dialog (composevals.compose_type, drawable_ID))
return;
break;
case GIMP_RUN_NONINTERACTIVE:
/* Make sure all the arguments are there! */
if (nparams < 7)
{
status = GIMP_PDB_CALLING_ERROR;
}
else
{
composevals.inputs[0].comp.ID = (compose_by_drawable ?
param[2].data.d_int32 :
param[1].data.d_int32);
composevals.inputs[1].comp.ID = param[3].data.d_int32;
composevals.inputs[2].comp.ID = param[4].data.d_int32;
composevals.inputs[3].comp.ID = param[5].data.d_int32;
strncpy (composevals.compose_type, param[6].data.d_string,
sizeof (composevals.compose_type));
composevals.compose_type[sizeof (composevals.compose_type)-1] = '\0';
for (i = 0; i < MAX_COMPOSE_IMAGES; i++)
{
if (composevals.inputs[i].comp.ID == -1)
{
composevals.inputs[i].is_ID = FALSE;
composevals.inputs[i].comp.val = 0;
}
else
{
composevals.inputs[i].is_ID = TRUE;
}
}
}
break;
case GIMP_RUN_WITH_LAST_VALS:
/* Possibly retrieve data */
gimp_get_data (name, &composevals);
compose_by_drawable = TRUE;
break;
default:
break;
}
}
if (status == GIMP_PDB_SUCCESS)
{
gimp_progress_init (_("Composing"));
image_ID = compose (composevals.compose_type,
composevals.inputs,
compose_by_drawable);
if (image_ID < 0)
{
status = GIMP_PDB_EXECUTION_ERROR;
}
else
{
values[1].data.d_int32 = image_ID;
if (composevals.do_recompose)
{
gimp_displays_flush ();
}
else
{
gimp_image_undo_enable (image_ID);
gimp_image_clean_all (image_ID);
if (run_mode != GIMP_RUN_NONINTERACTIVE)
gimp_display_new (image_ID);
}
}
/* Store data */
if (run_mode == GIMP_RUN_INTERACTIVE)
gimp_set_data (name, &composevals, sizeof (ComposeVals));
}
*nreturn_vals = composevals.do_recompose ? 1 : 2;
values[0].data.d_status = status;
}
static void
cpn_affine_transform (GeglBuffer *buffer,
gdouble min,
gdouble max)
{
GeglBufferIterator *gi;
const gdouble scale = max - min;
const gdouble offset = min;
/* We want to scale values linearly, regardless of the format of the buffer */
gegl_buffer_set_format (buffer, babl_format ("Y double"));
gi = gegl_buffer_iterator_new (buffer, NULL, 0, NULL,
GEGL_ACCESS_READWRITE, GEGL_ABYSS_NONE, 1);
while (gegl_buffer_iterator_next (gi))
{
gdouble *data = gi->items[0].data;
guint k;
for (k = 0; k < gi->length; k++)
{
data[k] = data[k] * scale + offset;
}
}
}
static void
fill_buffer_from_components (GeglBuffer *temp[MAX_COMPOSE_IMAGES],
GeglBuffer *dst,
gint num_cpn,
ComposeInput *inputs,
gdouble mask_vals[MAX_COMPOSE_IMAGES])
{
GeglBufferIterator *gi;
gint j;
gi = gegl_buffer_iterator_new (dst, NULL, 0, NULL,
GEGL_ACCESS_WRITE, GEGL_ABYSS_NONE, 10);
for (j = 0; j < num_cpn; j++)
{
if (inputs[j].is_ID)
gegl_buffer_iterator_add (gi, temp[j], NULL, 0, NULL,
GEGL_ACCESS_READ, GEGL_ABYSS_NONE);
}
while (gegl_buffer_iterator_next (gi))
{
gdouble *src_data[MAX_COMPOSE_IMAGES];
gdouble *dst_data = (gdouble*) gi->items[0].data;
gulong k, count;
count = 1;
for (j = 0; j < num_cpn; j++)
if (inputs[j].is_ID)
src_data[j] = (gdouble*) gi->items[count++].data;
for (k = 0; k < gi->length; k++)
{
gulong pos = k * num_cpn;
for (j = 0; j < num_cpn; j++)
{
if (inputs[j].is_ID)
dst_data[pos+j] = src_data[j][k];
else
dst_data[pos+j] = mask_vals[j];
}
}
}
}
static void
perform_composition (COMPOSE_DSC curr_compose_dsc,
GeglBuffer *buffer_src[MAX_COMPOSE_IMAGES],
GeglBuffer *buffer_dst,
ComposeInput *inputs,
gint num_images)
{
const Babl *dst_format;
GeglBuffer *temp[MAX_COMPOSE_IMAGES];
GeglBuffer *dst_temp;
const GeglRectangle *extent = NULL;
const COMPONENT_DSC *components;
gdouble mask_vals[MAX_COMPOSE_IMAGES];
gint i;
components = curr_compose_dsc.components;
/* Get all individual components in gray buffers */
for (i = 0; i < num_images; i++)
{
COMPONENT_DSC cpn_dsc = components[i];
const Babl *gray_format;
if (cpn_dsc.is_perceptual)
gray_format = babl_format ("Y' double");
else
gray_format = babl_format ("Y double");
if (! inputs[i].is_ID)
{
const Babl *fish = babl_fish (babl_format ("Y' u8"), gray_format);
babl_process (fish, &inputs[i].comp.val, &mask_vals[i], 1);
mask_vals[i] = mask_vals[i] * (cpn_dsc.range_max - cpn_dsc.range_min) + cpn_dsc.range_min;
}
else
{
extent = gegl_buffer_get_extent (buffer_src[i]);
temp[i] = gegl_buffer_new (extent, gray_format);
gegl_buffer_copy (buffer_src[i], NULL, GEGL_ABYSS_NONE, temp[i], NULL);
if (cpn_dsc.range_min != 0.0 || cpn_dsc.range_max != 1.0)
cpn_affine_transform (temp[i], cpn_dsc.range_min, cpn_dsc.range_max);
}
gimp_progress_update ((gdouble) i / (gdouble) (num_images + 1.0));
}
dst_format = babl_format_new (babl_model (curr_compose_dsc.babl_model),
babl_type ("double"),
babl_component (components[0].babl_name),
num_images > 1 ? babl_component (components[1].babl_name) : NULL,
num_images > 2 ? babl_component (components[2].babl_name) : NULL,
num_images > 3 ? babl_component (components[3].babl_name) : NULL,
NULL);
/* extent is not NULL because there is at least one drawable */
dst_temp = gegl_buffer_new (extent, dst_format);
/* Gather all individual components in the dst_format buffer */
fill_buffer_from_components (temp, dst_temp, num_images, inputs, mask_vals);
gimp_progress_update ((gdouble) num_images / (gdouble) (num_images + 1.0));
/* Copy back to the format GIMP wants (and perform the conversion in itself) */
gegl_buffer_copy (dst_temp, NULL, GEGL_ABYSS_NONE, buffer_dst, NULL);
for (i = 0; i< num_images; i++)
if( inputs[i].is_ID)
g_object_unref (temp[i]);
g_object_unref (dst_temp);
}
/* Compose an image from several gray-images */
static gint32
compose (const gchar *compose_type,
ComposeInput *inputs,
gboolean compose_by_drawable)
{
gint width, height;
gint num_images, compose_idx;
gint i, j;
gint num_layers;
gint32 layer_ID_dst, image_ID_dst;
gint first_ID;
GimpImageType gdtype_dst;
GeglBuffer *buffer_src[MAX_COMPOSE_IMAGES];
GeglBuffer *buffer_dst;
GimpPrecision precision;
/* Search type of composing */
compose_idx = -1;
for (j = 0; j < G_N_ELEMENTS (compose_dsc); j++)
{
if (g_ascii_strcasecmp (compose_type, compose_dsc[j].compose_type) == 0)
{
compose_idx = j;
break;
}
}
if (compose_idx < 0)
return -1;
num_images = compose_dsc[compose_idx].num_images;
/* Check that at least one image or one drawable is provided */
first_ID = -1;
for (i = 0; i < num_images; i++)
{
if (inputs[i].is_ID)
{
first_ID = i;
break;
}
}
if (-1 == first_ID)
{
g_message (_("At least one image is needed to compose"));
return -1;
}
/* Check image sizes */
if (compose_by_drawable)
{
gint32 first_image = gimp_item_get_image (inputs[first_ID].comp.ID);
if (! gimp_item_is_valid (inputs[first_ID].comp.ID))
{
g_message (_("Specified layer %d not found"),
inputs[first_ID].comp.ID);
return -1;
}
width = gimp_drawable_width (inputs[first_ID].comp.ID);
height = gimp_drawable_height (inputs[first_ID].comp.ID);
precision = gimp_image_get_precision (first_image);
for (j = first_ID + 1; j < num_images; j++)
{
if (inputs[j].is_ID)
{
if (! gimp_item_is_valid (inputs[j].comp.ID))
{
g_message (_("Specified layer %d not found"),
inputs[j].comp.ID);
return -1;
}
if ((width != gimp_drawable_width (inputs[j].comp.ID)) ||
(height != gimp_drawable_height (inputs[j].comp.ID)))
{
g_message (_("Drawables have different size"));
return -1;
}
}
}
for (j = 0; j < num_images; j++)
{
if (inputs[j].is_ID)
buffer_src[j] = gimp_drawable_get_buffer (inputs[j].comp.ID);
else
buffer_src[j] = NULL;
}
}
else /* Compose by image ID */
{
width = gimp_image_width (inputs[first_ID].comp.ID);
height = gimp_image_height (inputs[first_ID].comp.ID);
precision = gimp_image_get_precision (inputs[first_ID].comp.ID);
for (j = first_ID + 1; j < num_images; j++)
{
if (inputs[j].is_ID)
{
if ((width != gimp_image_width (inputs[j].comp.ID)) ||
(height != gimp_image_height (inputs[j].comp.ID)))
{
g_message (_("Images have different size"));
return -1;
}
}
}
/* Get first layer/drawable for all input images */
for (j = 0; j < num_images; j++)
{
if (inputs[j].is_ID)
{
gint32 *layers;
/* Get first layer of image */
layers = gimp_image_get_layers (inputs[j].comp.ID, &num_layers);
if (! layers || (num_layers <= 0))
{
g_message (_("Error in getting layer IDs"));
return -1;
}
/* Get drawable for layer */
buffer_src[j] = gimp_drawable_get_buffer (layers[0]);
g_free (layers);
}
}
}
/* Unless recomposing, create new image */
if (composevals.do_recompose)
{
layer_ID_dst = composevals.source_layer_ID;
if (! gimp_item_is_valid (layer_ID_dst))
{
g_message (_("Unable to recompose, source layer not found"));
return -1;
}
image_ID_dst = gimp_item_get_image (layer_ID_dst);
buffer_dst = gimp_drawable_get_shadow_buffer (layer_ID_dst);
}
else
{
gdtype_dst = ((babl_model (compose_dsc[compose_idx].babl_model) == babl_model ("RGBA")) ?
GIMP_RGBA_IMAGE : GIMP_RGB_IMAGE);
image_ID_dst = create_new_image (compose_dsc[compose_idx].filename,
width, height, gdtype_dst, precision,
&layer_ID_dst, &buffer_dst);
}
if (! compose_by_drawable)
{
gdouble xres, yres;
gimp_image_get_resolution (inputs[first_ID].comp.ID, &xres, &yres);
gimp_image_set_resolution (image_ID_dst, xres, yres);
}
perform_composition (compose_dsc[compose_idx],
buffer_src,
buffer_dst,
inputs,
num_images);
gimp_progress_update (1.0);
for (j = 0; j < num_images; j++)
{
if (inputs[j].is_ID)
g_object_unref (buffer_src[j]);
}
g_object_unref (buffer_dst);
if (composevals.do_recompose)
gimp_drawable_merge_shadow (layer_ID_dst, TRUE);
gimp_drawable_update (layer_ID_dst, 0, 0,
gimp_drawable_width (layer_ID_dst),
gimp_drawable_height (layer_ID_dst));
return image_ID_dst;
}
/* Create an image. Sets layer_ID, drawable and rgn. Returns image_ID */
static gint32
create_new_image (const gchar *filename,
guint width,
guint height,
GimpImageType gdtype,
GimpPrecision precision,
gint32 *layer_ID,
GeglBuffer **buffer)
{
gint32 image_ID;
GimpImageBaseType gitype;
if ((gdtype == GIMP_GRAY_IMAGE) || (gdtype == GIMP_GRAYA_IMAGE))
gitype = GIMP_GRAY;
else if ((gdtype == GIMP_INDEXED_IMAGE) || (gdtype == GIMP_INDEXEDA_IMAGE))
gitype = GIMP_INDEXED;
else
gitype = GIMP_RGB;
image_ID = gimp_image_new_with_precision (width, height, gitype, precision);
gimp_image_undo_disable (image_ID);
gimp_image_set_filename (image_ID, filename);
*layer_ID = gimp_layer_new (image_ID, _("Background"), width, height,
gdtype,
100,
gimp_image_get_default_new_layer_mode (image_ID));
gimp_image_insert_layer (image_ID, *layer_ID, -1, 0);
*buffer = gimp_drawable_get_buffer (*layer_ID);
return image_ID;
}
static gboolean
compose_dialog (const gchar *compose_type,
gint32 drawable_ID)
{
GtkWidget *dialog;
GtkWidget *main_vbox;
GtkWidget *frame;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *label;
GtkWidget *combo;
GtkWidget *table;
GtkSizeGroup *size_group;
gint32 *layer_list;
gint nlayers;
gint j;
gboolean run;
/* Check default compose type */
composeint.compose_idx = 0;
for (j = 0; j < G_N_ELEMENTS (compose_dsc); j++)
{
if (g_ascii_strcasecmp (compose_type, compose_dsc[j].compose_type) == 0)
{
composeint.compose_idx = j;
break;
}
}
/* Save original image width/height */
composeint.width = gimp_drawable_width (drawable_ID);
composeint.height = gimp_drawable_height (drawable_ID);
gimp_ui_init (PLUG_IN_BINARY, TRUE);
layer_list = gimp_image_get_layers (gimp_item_get_image (drawable_ID),
&nlayers);
dialog = gimp_dialog_new (_("Compose"), PLUG_IN_ROLE,
NULL, 0,
gimp_standard_help_func, COMPOSE_PROC,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_OK"), GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
g_signal_connect (dialog, "response",
G_CALLBACK (check_response),
NULL);
gimp_window_set_transient (GTK_WINDOW (dialog));
main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
main_vbox, TRUE, TRUE, 0);
gtk_widget_show (main_vbox);
/* Compose type combo */
frame = gimp_frame_new (_("Compose Channels"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_container_add (GTK_CONTAINER (frame), hbox);
gtk_widget_show (hbox);
size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
label = gtk_label_new_with_mnemonic (_("Color _model:"));
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
gtk_size_group_add_widget (size_group, label);
g_object_unref (size_group);
combo = g_object_new (GIMP_TYPE_INT_COMBO_BOX, NULL);
for (j = 0; j < G_N_ELEMENTS (compose_dsc); j++)
{
gchar *label = g_strdup (gettext (compose_dsc[j].compose_type));
gchar *l;
for (l = label; *l; l++)
if (*l == '-' || *l == '_')
*l = ' ';
gimp_int_combo_box_append (GIMP_INT_COMBO_BOX (combo),
GIMP_INT_STORE_LABEL, label,
GIMP_INT_STORE_VALUE, j,
-1);
g_free (label);
}
gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
gtk_widget_show (combo);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
/* Channel representation table */
frame = gimp_frame_new (_("Channel Representations"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
table = gtk_table_new (MAX_COMPOSE_IMAGES, 4, FALSE);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_table_set_col_spacings (GTK_TABLE (table), 6);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
gtk_widget_show (table);
for (j = 0; j < MAX_COMPOSE_IMAGES; j++)
{
GtkWidget *image;
GtkWidget *label;
GtkWidget *combo;
GtkObject *scale;
GtkTreeIter iter;
GtkTreeModel *model;
GdkPixbuf *ico;
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_table_attach (GTK_TABLE (table), hbox, 0, 1, j, j + 1,
GTK_FILL, GTK_FILL, 0, 0);
gtk_widget_show (hbox);
gtk_size_group_add_widget (size_group, hbox);
composeint.channel_icon[j] = image = gtk_image_new ();
gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
gtk_widget_show (image);
composeint.channel_label[j] = label = gtk_label_new_with_mnemonic ("");
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
if (composeint.compose_idx >= 0 &&
nlayers >= compose_dsc[composeint.compose_idx].num_images &&
j < nlayers)
{
composeint.selected[j].comp.ID = layer_list[j];
}
else
{
composeint.selected[j].comp.ID = drawable_ID;
}
composeint.selected[j].is_ID = TRUE;
combo = gimp_drawable_combo_box_new (check_gray, NULL);
composeint.channel_menu[j] = combo;
ico = gtk_widget_render_icon (dialog,
GIMP_ICON_CHANNEL_GRAY,
GTK_ICON_SIZE_BUTTON, NULL);
model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo));
gtk_list_store_append (GTK_LIST_STORE (model), &iter);
gtk_list_store_set (GTK_LIST_STORE (model), &iter,
GIMP_INT_STORE_VALUE, -1,
GIMP_INT_STORE_LABEL, _("Mask value"),
GIMP_INT_STORE_PIXBUF, ico,
-1);
g_object_unref (ico);
gtk_table_attach (GTK_TABLE (table), combo, 1, 2, j, j + 1,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_show (combo);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
scale = gimp_color_scale_entry_new (GTK_TABLE (table), 2, j, NULL,
100, 4,
255.0, 0.0, 255.0, 1.0, 10.0, 0,
NULL, NULL);
composeint.color_scales[j] = GIMP_SCALE_ENTRY_SCALE (scale);
composeint.color_spins[j] = GIMP_SCALE_ENTRY_SPINBUTTON (scale);
gtk_widget_set_sensitive (composeint.color_scales[j], FALSE);
gtk_widget_set_sensitive (composeint.color_spins[j], FALSE);
g_signal_connect (scale, "value-changed",
G_CALLBACK (scale_callback),
&composeint.selected[j]);
/* This has to be connected last otherwise it will emit before
* combo_callback has any scale and spinbutton to work with
*/
gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo),
composeint.selected[j].comp.ID,
G_CALLBACK (combo_callback),
GINT_TO_POINTER (j));
}
g_free (layer_list);
/* Calls the combo callback and sets icons, labels and sensitivity */
gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo),
composeint.compose_idx,
G_CALLBACK (type_combo_callback),
NULL);
gtk_widget_show (dialog);
run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
gtk_widget_destroy (dialog);
if (run)
{
gint j;
for (j = 0; j < MAX_COMPOSE_IMAGES; j++)
{
composevals.inputs[j].is_ID = composeint.selected[j].is_ID;
if (composevals.inputs[j].is_ID)
composevals.inputs[j].comp.ID = composeint.selected[j].comp.ID;
else
composevals.inputs[j].comp.val = composeint.selected[j].comp.val;
}
strcpy (composevals.compose_type,
compose_dsc[composeint.compose_idx].compose_type);
}
return run;
}
/* Compose interface functions */
static gboolean
check_gray (gint32 image_id,
gint32 drawable_id,
gpointer data)
{
return ((gimp_image_base_type (image_id) == GIMP_GRAY) &&
(gimp_image_width (image_id) == composeint.width) &&
(gimp_image_height (image_id) == composeint.height));
}
static void
check_response (GtkWidget *dialog,
gint response,
gpointer data)
{
switch (response)
{
case GTK_RESPONSE_OK:
{
gint i;
gint nb = 0;
gboolean has_image = FALSE;
nb = compose_dsc[composeint.compose_idx].num_images;
for (i = 0; i < nb; i++)
{
if (composeint.selected[i].is_ID)
{
has_image = TRUE;
break;
}
}
if (! has_image)
{
GtkWidget *d;
g_signal_stop_emission_by_name (dialog, "response");
d = gtk_message_dialog_new (GTK_WINDOW (dialog),
GTK_DIALOG_DESTROY_WITH_PARENT |
GTK_DIALOG_MODAL,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
_("At least one image is needed to compose"));
gtk_dialog_run (GTK_DIALOG (d));
gtk_widget_destroy (d);
}
}
break;
default:
break;
}
}
static void
combo_callback (GimpIntComboBox *widget,
gpointer data)
{
gint id;
gint n;
gimp_int_combo_box_get_active (GIMP_INT_COMBO_BOX (widget), &id);
n = GPOINTER_TO_INT (data);
if (id == -1)
{
gtk_widget_set_sensitive (composeint.color_scales[n], TRUE);
gtk_widget_set_sensitive (composeint.color_spins[n], TRUE);
composeint.selected[n].is_ID = FALSE;
composeint.selected[n].comp.val =
gtk_range_get_value (GTK_RANGE (composeint.color_scales[n]));
}
else
{
gtk_widget_set_sensitive (composeint.color_scales[n], FALSE);
gtk_widget_set_sensitive (composeint.color_spins[n], FALSE);
composeint.selected[n].is_ID = TRUE;
composeint.selected[n].comp.ID = id;
}
}
static void
scale_callback (GtkAdjustment *adj,
ComposeInput *input)
{
input->comp.val = gtk_adjustment_get_value (adj);
}
static void
type_combo_callback (GimpIntComboBox *combo,
gpointer data)
{
if (gimp_int_combo_box_get_active (combo, &composeint.compose_idx))
{
gboolean combo4;
gboolean scale4;
gint compose_idx;
gint j;
compose_idx = composeint.compose_idx;
for (j = 0; j < MAX_COMPOSE_IMAGES; j++)
{
GtkWidget *label = composeint.channel_label[j];
GtkWidget *image = composeint.channel_icon[j];
const gchar *text = compose_dsc[compose_idx].components[j].name;
const gchar *icon = compose_dsc[compose_idx].components[j].icon;
gtk_label_set_text_with_mnemonic (GTK_LABEL (label),
text ? gettext (text) : "");
if (icon)
{
gtk_image_set_from_icon_name (GTK_IMAGE (image),
icon, GTK_ICON_SIZE_BUTTON);
gtk_widget_show (image);
}
else
{
gtk_image_clear (GTK_IMAGE (image));
gtk_widget_hide (image);
}
}
/* Set sensitivity of last menu */
combo4 = (compose_dsc[compose_idx].num_images == 4);
gtk_widget_set_sensitive (composeint.channel_menu[3], combo4);
scale4 = combo4 && !composeint.selected[3].is_ID;
gtk_widget_set_sensitive (composeint.color_scales[3], scale4);
gtk_widget_set_sensitive (composeint.color_spins[3], scale4);
}
}
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